The KS-300 multi parameter water quality monitoring device is a highly adaptable and integrated intelligent water quality monitoring terminal that is compatible with various conventional and wet chemical sensors with 485 interfaces. It realizes real-time collection, data storage, curve analysis, and remote transmission of multiple parameters, adapts to the continuous monitoring needs of water quality in multiple scenarios, and provides efficient and reliable data acquisition and analysis support for water quality control in surface water, municipal sewage, industrial wastewater and other fields.
★★★★★
Performance Characteristics
- Can store test data for 60 days
- Can simultaneously connect conventional sensors and wet chemical sensors, up to 5 sensors can be connected at the same time. If there is a need to connect more sensors, they can be added later
- Support viewing historical data and curves of various parameter channels
- Supports standard Modbus communication protocol and can transmit data externally through 232 serial port MODBUS RTU communication
Parameters
| Category | Specification |
|---|---|
| Display | 4.3″ TFT LCD, 24-bit color, LED backlight, 50000-hour LCD life |
| Operation | 4-wire industrial resistive touch screen |
| Electrical Specs | Rated power <5W; Rated voltage DC24V, working range DC9V~28V; Lightning surge protection; Allowable power failure <5mS |
| Communication | Support Modbus RTU, RS232 serial port output; Sensor interface: 485 (A/B) |
| Sensor Access | Max 5 pcs 485 interface sensors (conventional/wet chemical), expandable |
| Data Storage | Store 60 days of test data, support historical data/curve viewing |
| Environmental Requirements | Storage temperature -10~60℃; No strong UV/sunlight exposure; Vibration resistance 10-25Hz (2G/30min, X/Y/Z) |
| Mechanical Index | Front panel IP65 protection; Natural air cooling |
| Certification | Compliant with EN55022, EN55024, PART15 |
Why choose KS-300?
- Multi parameter real-time monitoring, intuitive display of measurement values, equipment and communication status
- Free channel settings, compatible with different brands of 485 sensor parameters
- Support data conversion, accurately convert raw values into standard monitoring values
- Historical data is searchable and differentiable, and curve visualization shows the trend of water quality changes
- Manual/automatic reading and writing of sensor data, convenient debugging and calibration
Featured Applications
- Surface water monitoring: Continuous monitoring of multiple parameters in natural water bodies such as rivers, lakes, and reservoirs
- Municipal Water Affairs: Water Quality Monitoring of Various Process Sections in Waterworks and Urban Sewage Treatment Plants
- Industrial wastewater: Real time monitoring of wastewater quality in industries such as chemical, pharmaceutical, and food
- Industrial process: parameter control of industrial circulating water, boiler water, and process pure water

Daily maintenance and precautions
- Avoid direct sunlight, strong electromagnetic interference, and corrosive gases to prevent equipment failure
- Avoid hitting and shaking, do not scratch the touch screen with sharp objects, use a soft touch pen/finger for operation
- Do not touch exposed wiring terminals during operation, and be sure to disconnect the power before maintaining the wiring
- Using a ground fault circuit breaker, the operating unit is reliably grounded to ensure safety
- Turn off the power promptly when idle, and regularly check if the wiring is secure
- Keep the surface of the equipment dry, wipe stains with a clean soft cloth, and prohibit corrosive cleaning agents
Technical Support
Top 6 Industrial Gas Analyzers Manufacturers 2025
6 Best Industrial Gas Detector Manufacturers in the World
9 Best Portable Carbon Dioxide Detector 2025 – Complete Buying Guide
Top 7 portable combustion analyzer Tested
The KS-300 multi parameter water quality monitoring instrument integrates data acquisition, display, storage, and transmission. It is designed to adapt to complex working conditions and has simple operation to reduce operation and maintenance costs. It provides professional water quality multi parameter monitoring solutions for various fields such as surface water, municipal water affairs, industrial wastewater, aquaculture, etc. It is the preferred equipment for intelligent and refined water quality control.
Request a Quote
.png)








